on march 28, 2017, in the site cleanliness award scheme (2016) sponsored by the drainage services department of the hong kong special administrative region, china state construction hong kong stonecutters island sewage treatment plant under china shipping group the sludge dewatering facility improvement project site has won the large-scale civil engineering contract category-best site cleanliness award and the grand champion award for its good safe construction environment and civilized construction measures. the former deputy director of drainage services department mr. tse hansen personally titled "cleanliness for the people" "qideyi" painting and calligraphy donated the joint venture site to show encouragement.